<div xmlns:h="http://java.sun.com/jsf/html"
  xmlns:c="http://java.sun.com/jstl/core"
  xmlns:nxl="http://nuxeo.org/nxforms/layout">

  <c:if test="#{!empty layoutValue}">
    <nxl:layout name="userpreferences" mode="view" value="#{value}" />
  </c:if>

</div>
